This should be fixed now, PPAs are signed with 4096 bit keys, existing 1024 ones have been dual signed now and the end point gives you 4096 bit keys if you add them.
** Changed in: launchpad Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1461834 Title: 1024-bit signing keys should be deprecated To manage notifications about this bug go to: https://bugs.launchpad.net/launchpad/+bug/1461834/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs